1 Connect your phone with the device to be charged using an OTG cable.
2 When the Use USB to dialog box is displayed on your phone, touch Reverse charge.
If another option has been set previously, the dialog box will not pop up. Swipe down
from the status bar to open the notication panel, touch Settings, and then select
Reverse charge.
3 Follow the onscreen instructions on the device to be charged to start charging.
Essentials
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